Our Replacement Gel Pads are great accessories for all Abdominal Toning Gel Padt, EMS AB Trainer, Waist Trimmer Belt, ABS Toner Body Muscle Trainer,ABS Stimulator. They could help conduct to target nerves and muscles to ultimate abs stimulator works very well. Product Description - Made of high quality Hydrogel. - Easy to use, just sitck to the placement of abs belt. - Every pad could serve 20-30 times if protected carefully. with well-sealed package. How to maintain gel pads£¿ - Clean skin before using the gel pads, sweat and dirty would affect the adhesion and service life. - Please rinse or apply some water to clean the gel pads, and let it air dry, then attach it to the plasticboard for next usage, which could restore the cohesive and service life. - Keep them in shade and cool place from the touch of children.